Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual classe possui menos de 10 e nomes de número(s)?
 ###Tabelas: CREATE TABLE season_2:_2009-2010_weekly_ratings (season_2:_2009-2010_weekly_ratings_id AUTO_INCREMENT PRIMARY KEY, Episode VARCHAR, Air Date VARCHAR, Timeslot VARCHAR, 18-49 VARCHAR, Viewers INT) CREATE TABLE top_20_countries_by_tally (top_20_countries_by_tally_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Country/Territory VARCHAR, Miss World INT, 1st Runner-up INT, 2nd Runner-up INT, 3rd Runner-up INT, 4th Runner-up INT, 5th Runner-up INT, 6th Runner-up INT, Semifinalists INT, Total INT) CREATE TABLE tararua_district (tararua_district_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile INT, Roll INT) CREATE TABLE fc_bayern_munich_versus_tsv_1860_munich (fc_bayern_munich_versus_tsv_1860_munich_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, League VARCHAR, Teams VARCHAR, Home VARCHAR, Away VARCHAR) CREATE TABLE tank_locomotives (tank_locomotives_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Number(s) VARCHAR, Quantity INT, Year(s) of Manufacture VARCHAR, Type VARCHAR)  
SELECT Class FROM tank_locomotives WHERE Quantity < 10 AND Number(s) = names